Saturday, August 06, 2005

Quantum information can be negative

According to this article, Quantum information can be negative. Science reporting is often iffy. I especially liked this section:
One can also have situations where someone knows more than everything. This is known as quantum ‘entanglement’, and when two people share entanglement, there can be negative information.

I'm pretty sure I've seen this situation, even without quantum particles.

1 comment :

steve said...

At risk of disturbing the concept of negative information, I note that it is common in physics to extend definitions. The concept of imaginary temperature is very useful, for example...

And science reporting is generally awful ...